I have been studying the Cold war actually, and around this period only minor satellites like Sputnik were launched into orbit (before the Americans i hasten to add )...nothing that could map out anything of this detail.

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Unbelievable how they had the technology to map the world like that and no one else had in that kind of detail...Mind baffling stuff...When it came to espionage I think the russians really were the masters...And like Ian said there really is so much we still don't know...